Home / 5,587.10-8,378.68-1,637.27

Finding the Fourth Proportional to 5,587.10, 8,378.68 and 1,637.27

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Solution

The fourth proportional to 5,587.10, 8,378.68 and 1,637.27 is: 2,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.10 : 8,378.68 = 1,637.27 : x
  2. Step 2: Convert to fraction form
    5,587.10/8,378.68 = 1,637.27/x
  3. Step 3: Cross multiply
    5,587.10x = 8,378.68 × 1,637.27
  4. Step 4: Simplify right side
    5,587.10x = 13,718,161.40
  5. Step 5: Solve for x
    x = 13,718,161.40/5,587.10
  6. Step 6: Final answer
    x = 2,455.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.